
Number of 
potholes 
350 
300 
250 
200 
150 
100 
50 
400 
350 
300 
250 
200 
1505 _ 
100 
50 
Apr « 10 
Type la--Intermittent areas. 
Type lb--Temporary marshes. 
[- A Type 3--Shallow marshes. 350 
Type 4--Deep marshes. 
5=--Open water. 

300 
i982... 
200 
j~ 
50 
100 
50 
FARA, gene ee 
A Sen NG 
Feces 
400 
350 
300 
250 
200 
150 

. P ; , 
a : 
oe eb. iw te atten par aaa Bre he Sw le ra ee Ges ee PS ER fi 
is 
code ie era ane pa eee eG 8 lee ata Se ay wee Boe es Se co ale war wher by ene ce pe mye (eel ee aca Te ete eo yer ere ane 8 ee BENS 4 100 
hfe DS Oe BR Ne a edn tee ae oes ORE ORS SUNS Be eT I oe aot es 
wate Nes Ose SPOS Te Ree toads a aicgie emcee eee eenrea mnie # SENET CS See atte 
Bee EUR A y crekettan ate satatndsae'e cesar age Og ais pase Serie: oe tS 
1 ee ee ee Sngrce Reggamcnsets wre ce Retuemmatee a nore a 8 ES al Gia gig es 
spars obs SES BARE RTE, Ac glen ae ogee Races art end RT SNEED ESE recat iE, 1 
ee 8 =—6=—|l Sitka pidlaleeuelaly Sieg ekeh ie wieigce ar bie eee gee i Ee 
potty ee Eu ease dgitage invbag ae Lee ais CBee mmr ee Coen ea st me tee UE ee Ree ere a ata er es ee ee 
weet reer eae arene ee ee EM e uvcealteg yenarel oie bee bm erage he ebro BLOM PRS SUSE UN GR oA oe 50 
‘ 
a gap: endo SANS oe pate Cnc aah baayacecat er eae ite o bynctos ree aneneecrt & aitatan oe SR Ie Ws Oa se aceag aac 
gosmaue sk bie DOES tite TI TL o eden aia te ape gg naniaae fetes, denn hn tie uate Te is A ae eotse 
SAE EN BS SENS Me OR Ty OE Thc ae Dee ED 
bere tee ee PME RR a Fig 
SES wa a, SS EES RE EY Rae L, PM Se BOLTS. 
Peareven Bez. Py ES aie aDoceh ne 
+ aad - " it aad a7 ° om Me ra 
ae a 
0 
~ 
May 10 June 9 July 9 Sept. 7 Oct. 7 Nov. 6 

Figure 10.--VARIATION IN NUMBER OF POTHOLES WITH WATER, WAUBAY STUDY 
AREA, BY PERIODS, 1952 AND 1953 
19 
